@article{366871,
      author = {Richards, Robert J.},
      url = {http://library.usi.edu/record/366871},
      title = {The tragic sense of life Ernst Haeckel and the struggle  over evolutionary thought / [electronic resource] :},
      publisher = {University of Chicago Press,},
      recid = {366871},
      pages = {xx, 551 p., 8 p. of plates :},
      address = {Chicago :},
      year = {2008},
}